Las IU se vuelven más frecuentes después de la menopausia Women after menopause should understand the difference between common and complicated urinary tract infections and their symptoms, and when to seek medical attention. Urinary tract infections are more common in women after menopause, but some infections can cause severe complications. Women after menopause should understand the difference between common and complicated urinary tract infections, their symptoms, and when to seek medical attention. A urinary tract infection that occurs in any part of the urinary system is common and can be treated with a short course of antibiotics. However, a complicated urinary tract infection occurs when the infection has progressed beyond the bladder and possibly reached a kidney. This type of infection is more difficult to treat and has a higher risk of complications and serious problems. A complication of a urinary tract infection is a kidney infection.In severe cases, bacteria can enter the bloodstream and potentially cause sepsis, a fatal reaction to infection.